<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>下拉选择</title>

<style >

.title {
font-size: 30px;
background: darkgray;
}

h1 {
 color: blue;
}





</style>

</head>

<body>

<!-- 下拉选择 -->

<select  name="">
<option>北京</option>
<option>广州</option>
<option>深圳</option>
<option>上海</option>
</select>



</body>
</html>
